Power Systems A loss less transmission line has a length of 600 km, find the phase shift of voltage signal? 90° 36° 42° 45° 90° 36° 42° 45° ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statement is/are true?Zn The neutral grounding impedance Zn appears as Zn in zero sequence equivalent circuit both 1 and 2 The neutral grounding impedance Zn appears as 3Zn in zero sequence equivalent circuit nether 1 nor 2 The neutral grounding impedance Zn appears as Zn in zero sequence equivalent circuit both 1 and 2 The neutral grounding impedance Zn appears as 3Zn in zero sequence equivalent circuit nether 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 220 kV system, the inductance and capacitance up to the circuit breaker location are 25 mH and 0.025 µF respectively. The value of resistor required to be connected across the breaker contacts which will give no transient oscillations, is 1000 Ω 25 Ω 250 Ω 500 Ω 1000 Ω 25 Ω 250 Ω 500 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Location of a surge tank, in an hydro electric power station is near turbine. reservoir. tail race. dam. turbine. reservoir. tail race. dam. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A sort line with R/X ratio 1, the zero regulation is obtained when the power factor of the load is 0.707 leading 0 leading unity 0.5 0.707 leading 0 leading unity 0.5 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Communications lines are treated as medium transmission lines long transmission lines short transmission lines any of the above medium transmission lines long transmission lines short transmission lines any of the above ANSWER DOWNLOAD EXAMIANS APP
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